<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>验证函数调⽤时this指向</title>
</head>

<body>
    <script>
        function foo() {
            console.log("foo函数:", this);
        }
        foo();
        var obj = { name: "gkd" };
        obj.showThis = foo;
        // 通过对象调⽤
        obj.showThis();

    </script>
</body>

</html>